1/*
2 * Copyright (c) 2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include "environment_native.h"
17
18#include <string>
19#include <unistd.h>
20
21#include "accesstoken_kit.h"
22#include "filemgmt_libhilog.h"
23#include "ipc_skeleton.h"
24#include "parameter.h"
25#include "securec.h"
26#include "tokenid_kit.h"
27
28using namespace OHOS;
29using namespace OHOS::FileManagement;
30namespace {
31const std::string STORAGE_PATH = "/storage/Users/";
32const std::string READ_WRITE_DOWNLOAD_PERMISSION = "ohos.permission.READ_WRITE_DOWNLOAD_DIRECTORY";
33const std::string READ_WRITE_DESKTOP_PERMISSION = "ohos.permission.READ_WRITE_DESKTOP_DIRECTORY";
34const std::string READ_WRITE_DOCUMENTS_PERMISSION = "ohos.permission.READ_WRITE_DOCUMENTS_DIRECTORY";
35const std::string DOWNLOAD_PATH = "/Download";
36const std::string DESKTOP_PATH = "/Desktop";
37const std::string DOCUMENTS_PATH = "/Documents";
38const std::string DEFAULT_USERNAME = "currentUser";
39const std::string FILE_MANAGER_FULL_MOUNT_ENABLE_PARAMETER = "const.filemanager.full_mount.enable";
40const int DEVICE_NOT_SUPPORTED = 801;
41
42static std::string GetUserName()
43{
44    return DEFAULT_USERNAME;
45}
46
47static std::string GetPublicPath(const std::string &directoryName)
48{
49    return STORAGE_PATH + GetUserName() + directoryName;
50}
51
52static bool CheckFileManagerFullMountEnable()
53{
54    char value[] = "false";
55    int retSystem = GetParameter(FILE_MANAGER_FULL_MOUNT_ENABLE_PARAMETER.c_str(), "false", value, sizeof(value));
56    return (retSystem > 0) && (!std::strcmp(value, "true"));
57}
58}
59
60int GetUserDir(char *path, char **result)
61{
62    if (!CheckFileManagerFullMountEnable()) {
63        HILOGD("Failed to enable the parameter: %{public}s", FILE_MANAGER_FULL_MOUNT_ENABLE_PARAMETER.c_str());
64        return -DEVICE_NOT_SUPPORTED;
65    }
66    std::string dirPath = "";
67    dirPath = GetPublicPath(path);
68    *result = (char *) malloc((dirPath.length() + 1) * sizeof(char));
69    if (*result == nullptr) {
70        return -ENOMEM;
71    }
72    int ret = strcpy_s(*result, (dirPath.length() + 1) * sizeof(char), dirPath.c_str());
73    if (ret != 0) {
74        HILOGE("Failed to copy memory");
75        return -ENOMEM;
76    }
77    return ret;
78}
79